MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=pdf+pathophysiology+of+heart+disease'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, some of which lead to unknown or potentially malicious domains. The presence of a visual download button lure further supports the malicious intent. No scripts were extracted, but the document body and heuristics indicate a redirection-based attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
-
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
-
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
-
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
-
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
-
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
-
Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=pdf+pathophysiology+of+heart+disease In PDF document text
- http://xumuje.eyeslikemineinc.org/uploads/1/3/1/3/131383839/galoju.pdfIn PDF document text
- http://files.hongkong-entertainment-production.com/uploads/1/3/0/7/130738975/0c46992a8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/5017/1554/files/sifam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7475/4462/files/adobe_acrobat_reader_download_windows.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9063/2101/files/applications_of_derivatives_maxima_and_minima_problems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8274/2950/files/wejibotetopupuweduje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2700/4577/files/autocad_electrical_2020_user_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0357/5454/files/pujomojotovod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/9835/8165/files/lubozuvuwudozaxevojov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2124/6359/files/koloferav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0700/7127/files/34017863234.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2499/6773/files/71514750017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2458/7679/files/android_jetpack_compose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7232/3737/files/lezevuguputolam.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000659e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x659E | 5088 bytes |
SHA-256: c8a3bc02ddbd81cbd66d092ac9c8b3202d445349f46ac8c9ead1ec69b94fdcb8 |
|||
font_01_sfnt_off0000770a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770A | 9976 bytes |
SHA-256: e67d0b364defe02bd4004c0018dbee4d7917bea167a00cc0981f50ebb79ea9ac |
|||
font_02_sfnt_off0000992d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x992D | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.